mqtt subscriber: add log for message properties

Author: agungdwiprasetyo

mqtt-broker/publisher.go

@@ -2,6 +2,7 @@ package mqttbroker
 
 import (
 "context"
+"strings"
 
 mqtt "github.com/eclipse/paho.mqtt.golang"
 "github.com/golangid/candi/candihelper"
@@ -27,6 +28,17 @@ func (p *publisher) PublishMessage(ctx context.Context, args *candishared.Publis
 trace, ctx := tracer.StartTraceWithContext(ctx, "MQTTBroker:PublishMessage")
 defer trace.Finish()
 
+opReader := p.client.OptionsReader()
+var brokers []string
+for _, u := range opReader.Servers() {
+brokers = append(brokers, u.String())
+}
+trace.SetTag("brokers", strings.Join(brokers, ","))
+trace.SetTag("topic", args.Topic)
+trace.SetTag("key", args.Key)
+trace.Log("header", args.Header)
+trace.Log("message", args.Message)
+
 var msg []byte
 if len(args.Message) > 0 {
 msg = args.Message

mqtt-broker/subscriber.go

@@ -136,12 +136,22 @@ func (w *workerEngine) processMessage(_ mqtt.Client, m mqtt.Message) {
 w.wg.Done()
 }()
 
+opReader := w.broker.client.OptionsReader()
+var brokers []string
+for _, u := range opReader.Servers() {
+brokers = append(brokers, u.String())
+}
+trace.SetTag("brokers", strings.Join(brokers, ","))
+trace.SetTag("qos", m.Qos())
+trace.SetTag("retained", m.Retained())
+trace.SetTag("client_id", opReader.ClientID())
+trace.Log("message_id", m.MessageID())
 if w.broker.WorkerType != MQTTBroker {
 trace.SetTag("worker_type", string(w.broker.WorkerType))
 }
 trace.SetTag("topic", m.Topic())
 trace.Log("params", params)
-trace.Log("body", m.Payload())
+trace.Log("message", m.Payload())
 
 if w.opt.debugMode {
 log.Printf("\x1b[35;3mMQTT Subscriber%s: consuming message from topic '%s'\x1b[0m", getWorkerTypeLog(w.broker.WorkerType), m.Topic())